请问这句话为什么要加that

请问这句话为什么要加that He was so hard working that in his life time请问这句话为什么加that? tomorrow,see to it that he comes这句话中为什么要加to? he never gave up struggling for that freedom.这句话为什么加that, 请问这句话中的watch为什么要加ing?he fall asleep while watching televisio He loves the mystical 请问这句话怎么翻译?为什么love要加S? Observe means to find out information.请问这句话是什么结构?为什么要加to呢? this room is as large as that one.请问这里用不用加is,为什么?这句话的否定形式是什么 英语难句,同位语丛句帮我拆分一下这句话,that后面为什么要加一个of,或者句中为什么会有一个that During t 这句话为什么要加这个词呢? 这句话为什么要加这个词? i am not sorry that knowing you 这句话的know为什么要加ing形式呢?